
Exar Corporation
GENERAL DESCRIPTION
The XRP6668 is a dual channel synchronous current mode PWM step down (buck) converter capable of delivering up to 1 Amp of current per channel and optimized for portable battery-operated applications.
FEATURES
• Dual Channel Step Down Converter
• Guaranteed 1A/1A Output Current
− Input Voltage: 2.5V to 5.5V
• 1.5MHz PWM Current Mode Control
− PFM Mode Operations at Light Load
− 100% Duty Cycle LDO Mode Operations
• Adjustable Output Voltage Range
− As Low as 0.6V with ±3% Accuracy
• Internal Compensation Network
• 30µA Quiescent Current
• Over Temperature & UVLO Protections
• RoHS Compliant “Green”/Halogen Free
8-Pin Exposed Pad SOIC Package
APPLICATIONS
• Portable Equipments
• Battery Operated Equipments
• Audio-Video Equipments
• Networking & Telecom Equipments